Patent US952255A successfully refreshed from Google Patents.
US952255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-hammer.
Assignee: NORTHERN ELECTRICAL MANUFACTURING Co
•
Filing: 1904-05-31
•
Granted: 1910-03-15
•
Expires: 1924-05-31
Abstract
No abstract record available.
Inventors
- 👤 Corwill Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:07
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/06; B25D9/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-03-14 | 1913-09-13 | 1914-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-14 | 1917-09-13 | 1918-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-14 | 1921-09-13 | 1922-03-15 | $7700.00 | Window Closed / Lapsed |